﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using Model;
using System.Data.SqlClient;

namespace SqlServerDAL
{
    public class GpsDAL
    {
        #region  Method
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from GPS");
            strSql.Append(" where ID=@ID");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
            parameters[0].Value = ID;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(GPS model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into GPS(");
            strSql.Append("FrameNO,StartTime,EndTime,Distance,Photo,OrganID,InputBy)");
            strSql.Append(" values (");
            strSql.Append("@FrameNO,@StartTime,@EndTime,@Distance,@Photo,@OrganID,@InputBy)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@FrameNO", model.FrameNO),
					new SqlParameter("@StartTime", model.StartTime),
					new SqlParameter("@EndTime", model.EndTime),
					new SqlParameter("@Distance",model.Distance),
                    new SqlParameter("@Photo",model.Photo==null?"":model.Photo),
                    new SqlParameter("@InputBy",model.InputBy),
					new SqlParameter("@OrganID", model.OrganID)};

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(GPS model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update GPS set ");
            strSql.Append("FrameNO=@FrameNO,");
            strSql.Append("StartTime=@StartTime,");
            strSql.Append("EndTime=@EndTime,");
            strSql.Append("Photo=@Photo,");
            strSql.Append("Distance=@Distance");
            strSql.Append(" where ID=@ID");
            SqlParameter[] parameters = {
					new SqlParameter("@FrameNO", model.FrameNO),
					new SqlParameter("@StartTime", model.StartTime),
					new SqlParameter("@EndTime", model.EndTime),
                    new SqlParameter("@Photo",model.Photo==null?"":model.Photo),
					new SqlParameter("@Distance",model.Distance),
					new SqlParameter("@ID",model.ID)};

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int ID)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from GPS ");
            strSql.Append(" where ID=@ID");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
            parameters[0].Value = ID;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 批量删除数据
        /// </summary>
        public bool DeleteList(string IDlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from GPS ");
            strSql.Append(" where ID in (" + IDlist + ")  ");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public GPS GetModel(int ID)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 A.*,B.VehicleID from GPS A JOIN Vehicle B ON A.FrameNO = B.FrameNO");
            strSql.Append(" where a.ID=@ID");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
            parameters[0].Value = ID;

            GPS model = new GPS();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["ID"] != null && ds.Tables[0].Rows[0]["ID"].ToString() != "")
                {
                    model.ID = int.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["VehicleID"] != null && ds.Tables[0].Rows[0]["VehicleID"].ToString() != "")
                {
                    model.VehicleID = ds.Tables[0].Rows[0]["VehicleID"].ToString();
                }
                if (ds.Tables[0].Rows[0]["FrameNO"] != null && ds.Tables[0].Rows[0]["FrameNO"].ToString() != "")
                {
                    model.FrameNO = ds.Tables[0].Rows[0]["FrameNO"].ToString();
                }
                if (ds.Tables[0].Rows[0]["StartTime"] != null && ds.Tables[0].Rows[0]["StartTime"].ToString() != "")
                {
                    model.StartTime = DateTime.Parse(ds.Tables[0].Rows[0]["StartTime"].ToString());
                }
                if (ds.Tables[0].Rows[0]["EndTime"] != null && ds.Tables[0].Rows[0]["EndTime"].ToString() != "")
                {
                    model.EndTime = DateTime.Parse(ds.Tables[0].Rows[0]["EndTime"].ToString());
                }
                if (ds.Tables[0].Rows[0]["Distance"] != null && ds.Tables[0].Rows[0]["Distance"].ToString() != "")
                {
                    model.Distance = decimal.Parse(ds.Tables[0].Rows[0]["Distance"].ToString());
                }
                if (ds.Tables[0].Rows[0]["Photo"] != null && ds.Tables[0].Rows[0]["Photo"].ToString() != "")
                {
                    model.Photo = ds.Tables[0].Rows[0]["Photo"].ToString();
                }
                if (ds.Tables[0].Rows[0]["OrganID"] != null && ds.Tables[0].Rows[0]["OrganID"].ToString() != "")
                {
                    model.OrganID = int.Parse(ds.Tables[0].Rows[0]["OrganID"].ToString());
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select A.*,B.VehicleID ");
            strSql.Append(" FROM GPS A JOIN Vehicle B ON A.FrameNO = B.FrameNO");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" * ");
            strSql.Append(" FROM GPS A JOIN Vehicle B ON A.FrameNO = B.FrameNO");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM GPS ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.ID desc");
            }
            strSql.Append(")AS Row, T.*  from GPS T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /*
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        {
            SqlParameter[] parameters = {
                    new SqlParameter("@tblName", SqlDbType.VarChar, 255),
                    new SqlParameter("@fldName", SqlDbType.VarChar, 255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount", SqlDbType.Bit),
                    new SqlParameter("@OrderType", SqlDbType.Bit),
                    new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
                    };
            parameters[0].Value = "GPS";
            parameters[1].Value = "ID";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;	
            return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
        }*/

        #endregion  Method
    }
}
